On Fri, Jul 25, 2014 at 1:27 PM, Richard Biener
wrote:
> On Thu, Jul 17, 2014 at 11:07 AM, Bin Cheng wrote:
>> Hi,
>> This is a series of three patches improving induction variable elimination.
>> Currently GCC only eliminates iv for very specific case when the loop's
>> latch could run zero time
On Thu, Jul 17, 2014 at 11:07 AM, Bin Cheng wrote:
> Hi,
> This is a series of three patches improving induction variable elimination.
> Currently GCC only eliminates iv for very specific case when the loop’s
> latch could run zero times, i.e., when may_be_zero field of loop niter
> information ev
Hi, forward to Zdenek for the review.
Thanks,
bin
-- Forwarded message --
From: Bin Cheng
Date: Thu, Jul 17, 2014 at 10:07 AM
Subject: [PATCH 1/3]Improve induction variable elimination
To: gcc-patches@gcc.gnu.org
Hi,
This is a series of three patches improving induction
Hi,
This is a series of three patches improving induction variable elimination.
Currently GCC only eliminates iv for very specific case when the loop’s
latch could run zero times, i.e., when may_be_zero field of loop niter
information evaluates to true. In fact, it’s so specific that
iv_eliminatio